Extendable fence



FIG. 1 is a perspective view of the claimed design for an extendable fence;

FIG. 2 is a cross sectional view of the extendable fence taken along line 2-2 of FIG. 1;

FIG. 3 is a top view of the expandable fence shown in FIG. 1, a bottom view being identical to the top view thereof;

FIG. 4 is a front view of the expandable fence shown in FIG. 1, a rear view being identical to the left side view thereof;

FIG. 5 is an outboard end view of the expandable fence shown in FIG. 1; and,

FIG. 6 is an inboard end view of the expandable fence shown in FIG. 1. 

CLAIM We claim the ornamental design for an extendable fence, as shown and described. 